<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
		#f{
			background-color: #7FFF00;
			/* height: 800px; */
			overflow: auto;
		}
		.c{
			width: 200px;
			height: 200px;
			background-color: pink;
			float: left;
		}
		
		</style>
	</head>
	<body>
		<div id="f">
			<div class="c"></div>
			<div class="c"></div>
			<div class="c"></div>
			<div class="c"></div>
			<div class="c"></div>
			
		</div>
	</body>
</html>
